NXP LPC551x/S1x Arm Cortex-M33 MCU Family Launched with LPC55S16 Development Board

NXP has announced the general availability of LPC551x/S1x Arm Cortex-M33 MCU family with low power consumption, embedded security, pin-, software- and peripheral-compatibility.

The LPC551x/S1x family is manufactured using a  cost-effective 40-nm NVM process technology and targets industrial and general embedded markets. An LPC55S16 based development board – PLC55S16-EVK – is also offered for evaluation and software development.


NXP LPC551x/S1x Block Diagram
Click to Enlarge

Key features and specifications:

  • CPU – Arm Cortex-M33 core @ up to 150 MHz delivering over 600 EEMBC CoreMarks and consuming as low as 32uA/MHz
  • Memory and Storage – Up to 256 KB on-chip flash; up to 96 KB SRAM; 128 KB boot ROM
  • Peripherals
    • CAN FD / CAN 2.0
    • Dual-USB with on-chip PHY, supporting both HS and FS modes
    • SDIO and up to 9 FlexComm interfaces (configurable as either SPI/I2C/I2S, UART)
    • Up to 64x GPIO pins
    • 16-bit ADC with five differential channel pair
    • Comparator with five input pins and external or internal reference voltage
    • Timers – 5x 32-bit standard general-purpose timers, 1x SCTimer/PWM with 8 input and 10 output functions, RTC with 1 s resolution, 24-bit timer (MRT) for repetitive interrupt generation, watchdog timer (WWDT), micro-tick timer, 42-bit free-running OS Timer
  • Security (S1x MCU family only)
    • SRAM PUF based device root key with added application key storage options
    • Secure boot and anti-rollback protection
    • Arm TrustZone technology
    • Hardware block cipher (PRINCE) for encryption/decryption of internal flash
    • Accelerators for symmetric and asymmetric cryptography
    • Authenticated debug capabilities
  • Power Management
    • Integrated Power Management Unit (PMU) to minimize power consumption
    • Reduced power modes – Sleep, deep-sleep with RAM retention, power-down with RAM retention and CPU0 retention, and deep power-down with RAM retention
    • The Micro-Tick Timer and the RTC can be used to wake up the device from sleep and deep-sleep modes
    • Power-On Reset (POR) and Brown-Out-Detectors (BOD)
  • Single Power Supply – 1.8 to 3.6V DC
  • Temperature Range – -40°C to +105°C
  • Package – HLQFP100, VFBGA98, and HTQFP64

The LPC551x/S1x MCU family is supported by the company’s MCUXpresso suite of software and tools for Windows, Linux (Ubuntu 16.04+), and Mac OS.

LPC55S16-EVK Development Board

LPC55S16-EKV Development Board
Click to Enlarge

NXP also provides LPC55S16-EVK development board with the following specification:

  • MCU – NXP LPC55S16 Arm Cortex-M33 microcontroller @ up to 150 MHz with 256 KB flash and 96 KB SRAM on-chip (HLQFP100 package)
  • Audio – Stereo audio codec with 3.5mm Line-in/out jacks
  • USB – Full-speed Micro USB host/device port, high-speed Micro USB host/device port
  • Serial – UART header for external serial to USB cable, CAN Transceiver
  • Expansion Connectors
    • MikroBus socket for MikroElektronika Click boards
    • LPCXpresso expansion connectors compatible with Arduino UNO
    • Pmod compatible expansion/host connector
  • Debugging
    • LPC-Link2 debug high-speed USB probe with VCOM port
    • I2C and SPI USB bridging to the LPC device via LPC-Link2 probe
    • SWO trace support (MCUXpresso IDE)
    • Debug connector to allow debug of target microcontroller using an external probe
  • Sensor – NXP FXOS8700CQ accelerometer
  • Misc – Reset, ISP, wake, and user buttons, Tri-color LED
  • Power Supply – 5V via micro USB port

The board is available now for $41.18, while NXP LPC551x/S1x suggested price starts $0.97 US for 10,000-unit quantities of LPC5512JBD64. Further details, documentation, and tools for the MCU and board can be found on the product page and press release.

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5 Replies to “NXP LPC551x/S1x Arm Cortex-M33 MCU Family Launched with LPC55S16 Development Board”

  1. Its worth pointing out that the apparently miraculous 32uA/MHz energy efficiency only comes about as a result of an on-chip buck regulator stepping down the core voltage to 1-1.2V from a 3V supply. Also the lowest current draw per MHz comes when running from flash with umpteen wait-states @ 150MHz.

    1. SDIO is listed in the press release, but I cannot find it on the product page.

  2. If you want something cheaper, I have been reading of the OKdo E1 iot board £13.42. Based on NXP LPC55S69 dual-core Cortex M33.

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